Metadata Identifier: gov.noaa.ngdc.mgg.dem:11517

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 Galapagos Islands, Ecuador 3 sec Digital Elevation Model NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-topographic DEMs are used to support tsunami forecasting and warning efforts at the NOAA Center for Tsunami Research, Pacific Marine Environmental Laboratory (PMEL). The DEMs are part of the tsunami forecast system SIFT (Short-term Inundation Forecasting for Tsunamis) currently being developed by PMEL for the NOAA Tsunami Warning Centers, and are used in the MOST (Method of Splitting Tsunami) model developed by PMEL to simulate tsunami generation, propagation, and inundation.
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SV_Identification

Count Component Title Type
1 DEM Global Mosaic ArcGIS Image Service Digital Elevation Model Global Mosaic ArcGIS Image Service ArcGIS Image Service
1 Footprints ArcGIS Map Service NCEI Digital Elevation Model Extents ArcGIS Feature Layer ArcGIS Feature Service
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CI_Citation

Count Component Title Date Citation Identifier
1 Chadwick multibeam grid
    2002-04-18
1 Digital Elevation Model Global Mosaic ArcGIS Image Service
    2016-06-14
1 Digital Elevation Models of the Galapagos Islands, Ecuador: Procedures, Data Sources, and Analysis
    2016-05-25
1 Digitized NGA nautical chart soundings

1 GEBCO 2014
    2015-03-18
1 Galapagos Islands, Ecuador 3 sec Digital Elevation Model
    2016-05-25
1 Galapagos Spreading Center multibeam bathymetry grids 85°-96°W
    2005-05-20
doi:10.1594/IEDA/100007
1 Galapagos region multibeam bathymetry compilation, 97W-86W (investigator Scott White)
    2015-04-28
doi:10.1594/IEDA/321842
1 GCMD Data Center Keywords Global Change Master Directory (GCMD) Data Center Keywords
    2020-01-09
1 GCMD Project Keywords Global Change Master Directory (GCMD) Project Keywords
    2020-01-09
2 NASA/Global Change Master Directory (GCMD) Earth Science Services Keywords Global Change Master Directory (GCMD) Service Keywords
    2020-01-09
1 INOCAR / SHOA Hydrographic Surveys
    2015-01-01
1 Instantaneous Water Level depth
    2012-08-10
1 Multibeam Bathymetry Database (MBBDB)
    2004-01-01
1 Multibeam bathymetry for Santiago, Floreana, Fernandina, and Santa Cruz Islands
    2015-08-01
1 NASA/GCMD Data Resolution Keywords
    1 NASA/GCMD Earth Science Keywords
      1 NASA/GCMD Location Keywords
        1 NASA/GCMD Platform Keywords
          1 NCEI Digital Elevation Model Extents ArcGIS Feature Layer
            2022-10-24
          1 NGDC Marine Trackline Geophysics Database
            1977-01-01
          1 Optically Derived Bathymetry for Wolf, Urvina, Marchena, Isabela, Florena, Darwin, Baltra Islands
            2014-08-22
          1 Processed Gridded submersible Multibeam Sonar Data acquired along the Galapagos Spreading Center during the Atlantis expedition AT15-63
            2012-02-09
          		doi:10.1594/IEDA/318210
          1 Tsunami Inundation DEM Project
            2008-10-31
          2 Uncontrolled
            1 World Geodetic System 1984
              2007-08-27
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            CI_Series

            Count Component Name Issue Identification Page
            1 NOAA Coastal Inundation DEMs Named by primary coastal city, state in DEM.
            1 NOAA Tsunami Inundation DEMs Galapagos, Ecuador Digital Elevation Model
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            CI_ResponsibleParty

            Count Component Individual Organization Position Email Role Linkage
            2 resourceProvider https://epsg.org/crs_4326/WGS-84.html
            9 https://www.ncei.noaa.gov/maps/bathymetry/
            1 British Oceanographic Data Centre (BODC) originator
            9 DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce publisher https://www.ncei.noaa.gov/products/coastal-elevation-models
            2 EPSG Registry European Petroleum Survey Group publisher https://epsg.org/home.html
            2 Kelly Carignan Kelly Carignan NOAA National Centers for Environmental Information kelly.carignan@noaa.gov pointOfContact
            1 Khaled bin Sultan Living Oceans Foundation originator
            3 MGDS Data Manager Interdisciplinary Earth Data Alliance (IEDA):Marine Geoscience Data System (MGDS) info@marine-geo.org pointOfContact
            4 GCMD Landing Page NASA Goddard Space Flight Center, Earth Science Data and Information System custodian https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
            2 NCEI GIS Team NCEI GIS Team NOAA National Centers for Environmental Information ncei.gis@noaa.gov pointOfContact
            7 DEM Info NOAA National Centers for Environmental Information DEM Information dem.info@noaa.gov pointOfContact
            2 NCEI (publisher) NOAA National Centers for Environmental Information publisher
            1 No Title NOAA National Centers for Environmental Information originator
            1 NCEI (custodian) NOAA National Centers for Environmental Information custodian
            1 Anna Milan NOAA National Centers for Environmental Information Metadata Specialist editor
            1 NOAA PMEL publisher
            1 publisher - NOAA/PMEL/Center for Tsunami Research (NCTR) NOAA PMEL Center for Tsunami Research (NCTR) NOAA Center for Tsunami Research collaborator
            1 WHOI/Dalio Ocean Foundation originator
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            CI_OnlineResource

            Count Component Linkage Name Description Function
            1 ftp://ftp.pmel.noaa.gov/newport/chadwick/galap_bathy/ Bill Chadwick: Galapagos Bathymetry bathymetric grid of the Galapagos area download
            1 http://www.epsg-registry.org/ European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
            1 http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:datum:EPSG::5831 Instantaneous Water Level depth Link to Geographic Markup Language (GML) description of reference system. information
            1 http://www.gebco.net/ General Bathymetric Chart of the Oceans (GEBCO) The General Bathymetric Chart of the Oceans (GEBCO) consists of an international group of experts who work on the development of a range of bathymetric data sets and data products, including gridded bathymetric data sets, the GEBCO Digital Atlas, the GEBCO world map and the GEBCO Gazetteer of Undersea Feature Names. download
            1 http://www.ngdc.noaa.gov/mgg/geodas/trackline.html Marine Geophysical Trackline Data Marine Geophysical Trackline Data download
            1 http://www.ngdc.noaa.gov/mgg Multibeam Bathymetry Database (MBBDB) Multibeam Swath Sonar Survey Data download
            1 http://www.whoi.edu/ Woods Hole Oceanographic Institute Woods Hole Oceanographic Institution is the world's leading, independent non-profit organization dedicated to ocean research, exploration, and education. information
            1 https://epsg.org/crs_4326/WGS-84.html WGS 84 GML of World Geodetic System 1984 coordinate reference system. information
            1 https://epsg.org/home.html European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
            1 https://gis.ngdc.noaa.gov/arcgis/rest/services/DEM_mosaics/DEM_global_mosaic/ImageServer DEM Global Mosaic (Elevation Values) ArcGIS Image Service REST endpoint for DEM Global Mosaic (Elevation Values) ArcGIS Image Service search
            1 https://gis.ngdc.noaa.gov/arcgis/rest/services/DEM_mosaics/DEM_global_mosaic_hillshade/ImageServer DEM Global Mosaic (Color Shaded Relief) ArcGIS Image Service This service provides a color shaded relief visualization of the data. The elevations/depths are displayed using this color ramp: https://gis.ngdc.noaa.gov/viewers/images/dem_color_scale.png. search
            1 https://gis.ngdc.noaa.gov/arcgis/services/DEM_mosaics/DEM_global_mosaic_hillshade/ImageServer/WMSServer?request=GetCapabilities&service=WMS DEM Global Mosaic (Color Shaded Relief) WMS Capabilities document for Open Geospatial Consortium Web Map Service for DEM Global Mosaic (Color Shaded Relief) search
            1 https://noaa.maps.arcgis.com/home/item.html?id=0afa88a1701749dbbf76fcadca4f77f3 NOAA GeoPlatform Entry for NCEI Digital Elevation Model (DEM) Extents NOAA GeoPlatform listing for NCEI Digital Elevation Model (DEM) Extents information
            2 https://noaa.maps.arcgis.com/home/item.html?id=c876e3c96a8642ab8557646a3b4fa0ff NOAA GeoPlatform Entry for DEM Global Mosaic (Elevation Values) NOAA GeoPlatform listing for DEM Global Mosaic (Elevation Values) information
            2 https://noaa.maps.arcgis.com/home/item.html?id=e11ebaeb19544bb18c2afe440f063062 NOAA GeoPlatform Entry for DEM Global Mosaic (Color Shaded Relief) Shaded relief visualization of a global seamless bathymetry/topography mosaic of digital elevation models at NOAA/NCEI. information
            2 https://noaa.maps.arcgis.com/home/item.html?id=e9ba2e7afb7d46cd878b34aa3bfce042 Digital Elevation Models Mosaic (Individual DEMs) An image service providing access to bathymetric/topographic digital elevation models stewarded at NOAA's National Centers for Environmental Information. Either individual DEMs or small subsets can be accessed through this service. search
            1 https://services2.arcgis.com/C8EMgrsFcRFL6LrL/arcgis/rest/services/ncei_dem_extents/FeatureServer NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service REST endpoint for NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service search
            4 https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information
            1 https://www.livingoceansfoundation.org/ The Khaled bin Sultan Living Oceans Foundation Non-profit environmental science organization and ocean research foundation established to help preserve, protect and restore the world?s oceans and aquatic resources through research, education, and outreach. download
            1 DEM Map Search https://www.ncei.noaa.gov/maps/bathymetry/ Bathymetric Data Viewer The Bathymetric Data Viewer is an interactive map providing discovery, descriptions, and download capability for bathymetric survey data and digital elevation models archived at NOAA's National Centers for Environmental Information (NCEI). search
            2 https://www.ncei.noaa.gov/products/coastal-elevation-models Coastal Elevation Models at NCEI information
            1 DEM Text Search https://www.ngdc.noaa.gov/mgg/coastal DEM text search Text search for locating completed and planned DEMs. search
            1 https://www.ngdc.noaa.gov/mgg/dat/dems/regional_tr/galapagos_3_isl_2016.pdf Digital Elevation Models of the Galapagos Islands, Ecuador: Procedures, Data Sources and Analysis Report describing the development of the Galapagos Islands DEMs download
            1 https://www.ngdc.noaa.gov/thredds/dodsC/regional/galapagos_3_isl_2016.nc.html OPeNDAP Dataset Access Form OPeNDAP Dataset Access Form download
            1 https://www.ngdc.noaa.gov/thredds/fileServer/regional/galapagos_3_isl_2016.nc Download NetCDF File Download NetCDF File download
            1 https://www.ngdc.noaa.gov/thredds/ncml/regional/galapagos_3_isl_2016.nc?catalog=https%3A%2F%2Fwww.ngdc.noaa.gov%2Fthredds%2Fcatalog%2Fregional%2Fcatalog.html&dataset=regionalDatasetScan%2Fgalapagos_3_isl_2016.nc NetCDF Markup Language file NetCDF Markup Language file information
            1 https://www.ngdc.noaa.gov/thredds/ncss/regional/galapagos_3_isl_2016.nc/dataset.html Download a subset of the NetCDF Download a subset of the NetCDF download
            1 https://www.ngdc.noaa.gov/thredds/wcs/regional/galapagos_3_isl_2016.nc?service=WCS&version=1.0.0&request=GetCapabilities Web Coverage Service GetCapabilities Web Coverage Service GetCapabilities information
            1 https://www.ngdc.noaa.gov/thredds/wms/regional/galapagos_3_isl_2016.nc?service=WMS&version=1.3.0&request=GetCapabilities Web Map Service GetCapabilities Web Map Service GetCapabilities information
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            MD_Identifier or RS_Identifier

            Count Component Code
            1 doi:10.1594/IEDA/100007
            1 doi:10.1594/IEDA/318210
            1 doi:10.1594/IEDA/321842
            1 urn:ogc:def:crs:EPSG::4326
            1 urn:ogc:def:datum:EPSG::5831
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            EX_Extent

            Bounding Box Temporal Extent
            Count Component Description West East North South Start End
            1 ISO valid extents for Galapagos 1 sec. DEM -93.18 -83.81 3.81 -2.66
            2 -180 180 90 -90
            1
            1 1970-01-01 1994-01-01
            1 2010-03-15 2010-04-14
            1 1987-01-01 2012-01-01
            1 2005-05-19 2005-05-20
            1
            1
            1 1997-01-01 2010-01-01
            1 1958-01-01 2002-01-01
            1
            1
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            EX_GeographicBoundingBox

            Count Component West East North South
            1 -93.18 -83.81 3.81 -2.66
            2 -180 180 90 -90
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            EX_TemporalExtent

            Count Component Start End
            5
            1 1970-01-01 1994-01-01
            1 2010-03-15 2010-04-14
            1 1987-01-01 2012-01-01
            1 2005-05-19 2005-05-20
            1 1997-01-01 2010-01-01
            1 1958-01-01 2002-01-01
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            MD_Format

            Count Component Name Version specification
            1 netCDF 4 Classic netCDF 4 Classic
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            MD_Medium

            none found
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            MD_Constraints

            Count Component Use Limitation
            1 not for navigation Not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For navigation, please refer to the NOS nautical chart series.
            1 copyright statement Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
            1 These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: http://www.nauticalcharts.noaa.gov.
            1 These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: https://www.nauticalcharts.noaa.gov.
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            MD_ReferenceSystem

            Count Component Code Authority Title
            1 WGS84 urn:ogc:def:crs:EPSG::4326 World Geodetic System 1984
            1 urn:ogc:def:datum:EPSG::5831 Instantaneous Water Level depth
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            MD_GridSpatialRepresentation

            Count Component Number of Dimensions Cell Geometry Code
            1 3 area
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            MD_Georeferenceable or MI_Georeferenceable

            none found
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            MD_Georectified or MI_Georectified

            none found
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            MD_Dimension

            Count Component Name Code Size
            1 row 7765
            1 column 111245
            1 vertical 1
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            MD_CoverageDescription or MI_CoverageDescription

            none found
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            MD_Band or MI_Band

            none found
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            MI_RangeElementDescription

            none found
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            MD_AggregateInformation

            Count Component Title Code Association Type Code
            1 Digital Elevation Models of the Galapagos Islands, Ecuador: Procedures, Data Sources, and Analysis crossReference
            1 Tsunami Inundation DEM Project Tsunami Inundation DEM Project largerWorkCitation
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            LE_Source or LI_Source

            Count Component Title Date Description
            1 Chadwick multibeam grid 2002-04-18 gridded multibeam
            1 Digitized NGA nautical chart soundings digitized nautical chart soundings
            1 GEBCO 2014 2015-03-18 gridded bathymetry
            1 Galapagos Spreading Center multibeam bathymetry grids 85°-96°W 2005-05-20 processed gridded multibeam sonar data
            DOI at Xpath: gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:source/gmd:LI_Source/gmd:sourceCitation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/gmd:code/gmx:Anchor
            1 Galapagos region multibeam bathymetry compilation, 97W-86W (investigator Scott White) 2015-04-28 processed gridded multibeam sonar data
            DOI at Xpath: gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:source/gmd:LI_Source/gmd:sourceCitation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/gmd:code/gmx:Anchor
            1 INOCAR / SHOA Hydrographic Surveys 2015-01-01 hydrographic surveys
            1 Multibeam Bathymetry Database (MBBDB) 2004-01-01 Swath Sonar Survey Data
            1 Multibeam bathymetry for Santiago, Floreana, Fernandina, and Santa Cruz Islands 2015-08-01 multibeam bathymetry
            1 NGDC Marine Trackline Geophysics Database 1977-01-01 trackline bathymetry
            1 Optically Derived Bathymetry for Wolf, Urvina, Marchena, Isabela, Florena, Darwin, Baltra Islands 2014-08-22 optically derived bathymetry
            1 Processed Gridded submersible Multibeam Sonar Data acquired along the Galapagos Spreading Center during the Atlantis expedition AT15-63 2012-02-09 processed gridded submersible multibeam sonar data
            DOI at Xpath: gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:source/gmd:LI_Source/gmd:sourceCitation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/gmd:code/gmx:Anchor
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            LE_ProcessStep or LI_ProcessStep

            Count Component DateTime Description
            1 2015-04-22T00:00:00 NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
            1 2016-02-01T00:00:00 All datasets obtained by NCEI were converted to common horizontal and vertical datums of WGS84 geographic and Mean Sea Level, respectively, using ArcGIS or GDAL. They were also converted to common file format for visualization and inspection.
            1 2016-02-20T00:00:00 Datasets were visually inspected with ArcGIS and Global Mapper for identification and editing of data anomalies. Datasets were then compared with overlapping datasets to ensure data consistency.
            1 2016-02-28T00:00:00 Multibeam surveys were gridded to 1/3 arc-second spacing (~10 meters) using MB-System's 'mbgrid' tool. The resulting Arc ASCII grid was imported into ArcGIS.
            1 2016-05-03T00:00:00 xyz files of the bathymetric data were surfaced using GMT's 'surface' tool onto a 1 arc-second grid that interpolated to fill empty cells. Points extracted every 10 meters along the coastline were also included to ensure that the bathymetric grid reached zero at the coast. The resulting Arc ASCII grid was imported into ArcGIS and clipped to the coastline to remove values over land.
            1 2016-05-12T00:00:00 xyz files for each input dataset were gridded using MB-System's 'mbgrid' tool, which utilizes a high-tension spline interpolation method to fill grid cells with no input elevation values. Preferential weighting was given to more recent, higher-accuracy datasets. Gridding was performed in quadrants, each with a 5% data buffer. The grids were imported in ArcGIS and seamlessly merged to create the final DEM.
            1 2016-05-16T00:00:00 The DEM was quantitatively evaluated by comparing with source datasets and with elevation values extracted from NGS geodetic monuments. It was visually evaluated by converting to UTM-zone coordinates (units of meters horizontally and vertically) and then creating a slope grid to identify gridding artifacts in the DEM.
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            MI_Operation

            none found
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            MI_Platform

            none found
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            MI_Instrument

            none found
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